Engine mounting heat-resisting material and preparation method thereof

A technology of engine mounts and heat-resistant materials, applied in the field of modified rubber parts, can solve the problems of high heat resistance and durability of engine mounts, and achieve the effects of improving NVH performance, increasing vulcanization speed, and improving heat resistance

Active Publication Date: 2011-01-05
ASIMCO NVH TECH CO LTD ANHUI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the suspension products are natural rubber products, which can be used normally at -40-70°C. With the improvement of automobile level and the increase of fuel combustion value, the engine temperature also rises to a certain extent, from the original maximum of 70-80°C When the temperature reaches 90-100°C, the mount material prepared by using the traditional formula can no longer meet the high heat resistance and durability requirements of the engine mount

Method used

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  • Engine mounting heat-resisting material and preparation method thereof

Examples

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Embodiment 1

[0028] Prepare according to the following recipe:

[0029] Standard natural rubber (SMR5#): 80 parts, butadiene rubber (BR9000): 20 parts, zinc oxide: 5 parts, stearic acid: 1 part, 2,2,4-trimethyl-1,2-dihydrogenation Quinoline polymer (antiaging agent RD): 1 part, N-isopropyl-N-phenyl-p-phenylenediamine (4010NA): 2 parts, compound paraffin (L5880): 3 parts, carbon black (N-774) : 35 parts, complex soap salt (NB76): 3 parts, precipitated white carbon black (175GR): 5 parts, silane coupling agent (Logsil 4C): 1 part, sulfur (S-80): 1 part, diethyl Zinc dithiocarbamate: 1 part; N-cyclohexyl-2-benzothiazole sulfenamide: 2 parts.

[0030] One-stage mixing: put standard natural rubber (SMR5#) and butadiene rubber (BR9000) in an internal mixer and knead for 25 seconds to mix the two rubbers evenly; then add zinc oxide, stearic acid, 2, 2, 4 - Trimethyl-1,2-dihydroquinoline polymer (antiaging agent RD), N-isopropyl-N-phenyl-p-phenylenediamine (4010NA), complex paraffin (L5880) and ...

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Abstract

The invention discloses an engine mounting heat-resisting material and a preparation method thereof. The engine mounting heat-resisting material comprises the following raw materials in parts by weight: 70 to 80 parts of standard natural rubbers, 10 to 20 parts of butadiene rubbers, 5 to 10 parts of zinc oxide, 1 to 3 parts of stearic acid, 1 to 3 parts of 2,2,4-trimethyl-1,2-dihydro-chinoline polymers, 1 to 2 parts of N-isopropyl-N-phenylene diamine, 1 to 3 parts of composite paraffin, 25 to 40 parts of carbon black, 3 to 6 parts of complex calcium salt, 5 to 8 parts of white carbon black, 1to 3 parts of silane coupling agent, 1 to 2 parts of sulphur, 1 to 3 parts of zinc diethyl dithiocarbamate, and 1 to 3 parts of N-Cyclohexyl-2-benzothiazole. In the invention, an engine mounting material with good heat-resisting performance is prepared through a special refining process, has long service life and saves the using cost.

Description

technical field [0001] The invention relates to a modified rubber part, in particular to a heat-resistant rubber material and a preparation method thereof. Background technique [0002] The engine mount is a key component used to support the engine and reduce noise and vibration. The quality of the mount is directly related to the heart of the car - the working state of the engine. Most of the suspension products are natural rubber products, which can be used normally at -40-70°C. With the improvement of automobile level and the increase of fuel combustion value, the engine temperature also rises to a certain extent, from the original maximum of 70-80°C When the temperature reaches 90-100°C, the mount material prepared by using the traditional formula can no longer meet the high heat resistance and durability requirements of the engine mount. Contents of the invention [0003] The object of the present invention is to provide a heat-resistant material for engine mounts wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L9/00C08K13/02C08K3/22C08K5/09C08K5/18C08K3/04C08K3/36C08K5/54C08K3/06C08K5/39C08K5/47B29B7/28
Inventor 汪辉
Owner ASIMCO NVH TECH CO LTD ANHUI
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